Headers strip down

Started stripping my harvey ported headers today, took all old wrap off, put all parts in the shot blaster at work, and now ready to re-wrap in titanium wrap......should keep me amused for a while re-wrapping more to follow tomorrow!

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Only use genuine subaru gaskets when ya put them bak together! They aren't cheap but worth the extra coin

Looks like great fun mate lol that is one sweet ride you've got there

Trev85 wrote:

Only use genuine subaru gaskets when ya put them bak together! They aren't cheap but worth the extra coin

Cheers mate
Noticed one of the gaskets had been leaking when I stripped it down, soot mark out one side! Pleased I stripped them down just to find that

bigwill wrote:

Looks like great fun mate lol that is one sweet ride you've got there

Thanks pal, not too bad for an everyday car lol! More power on the way soon

Mines an everyday driver aswell, what else you got planned?

Got a JMG 20g billet turbo to fit, 650cc injectors, bigger fuel pump, harvey ported headers and harvey trick up pipe, and a few other bits. Hoping for around 400 hp :L

Trev85 wrote:

Only use genuine subaru gaskets when ya put them bak together! They aren't cheap but worth the extra coin

Pmsl how the fook do u no how much they cost !!

Don't forget the alcatek mike

byers wrote:

Don't forget the alcatek mike

Haha really seriously thinking about it mate

Just make sure there's no shot left anywhere inside the headers or it'll be 1 Fk'd turbo in no time

Haha cheers drew, had the inside all bunged and it's been excessively blown out with air just to make sure.
But yeah don't think the turbo would be too happy with a bit of shot in there!

byers wrote:

Trev85 wrote:

Only use genuine subaru gaskets when ya put them bak together! They aren't cheap but worth the extra coin

Pmsl how the fook do u no how much  they cost !!

Cause everytime you have to buy them you winge lyk fook and won't shut up about how much they cost!!   

Bit more done on them today, started wrapping, tried using the stainless ties that came with it but don't like it so going use stainless mig wire like Harvey did! Looking ok so far tho I think!

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After giving the inside of the headers a clean with a wire brush I noticed I couldn't see any marks from porting they just looked untouched with the original casting marks still inside, and then looking at them more thought the holes did look a bit small,  tried the new genuine Subaru gaskets on and sure enough they dont look ported at all!  Compaird them to some ported pictures of others I found which I've added below.
 I've thought about porting them myself but think I'm just going to do an exchange on them with some ported ones from as performance.
Will know to look out for this one next time.....feel like a right fooking muppet lol   


Pics of my headers with gasket on
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No porting here either!
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Pics from Google, one side ported and the other not
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Get them ported yourself, way cheaper. Sure a few of the trusted traders on here could sort you out,

They have defiantly been ported mate, they have been taken to just over the exhaust port size, no need to do any larger than that or you will slow down the gas flow not speed it up, the pic from Google is a total gash job, the gaskets will never seal properly if taken out to that size.

The other pic of your headers shows the outlet side, you never port the outlet side as this will disrupt gas flow.

There are some good books on gas flowing that explain the principles behind gas flow and porting, this needs to be understood before you take a dye grinder to your headers.

David V's book is a must read before you make things worse not better lol

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Ok mate thanks
There just doesn't seem to be any signs of porting tho but I guess it could have been nicely polished out

There shouldn't be any signs of marking to the ports, the whole point is that it's smooth to allow the gasses to flow easily, once they soot up you won't see any signs of a polished surface but they should feel smooth inside.

Thanks mate will check it out

Some nicely ported headers Mike -

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